X = int(input())
c = 1
for i in [1799,1599,1399,1199,999,799,599,399]:
    if X > i :
        break
    c = c + 1
print(c)     X = int(input()) X int(input()) int input() input c = 1 c 1 for i in [1799,1599,1399,1199,999,799,599,399]:
    if X > i :
        break
    c = c + 1 i [1799,1599,1399,1199,999,799,599,399] 1799 1599 1399 1199 999 799 599 399 if X > i :
        break
     X > i X i break c = c + 1 c c + 1 c 1 print(c) print c X = int(input()) int(input()) X c = 1 1 c c = c + 1 c + 1 c
X = int(input())
c = 1
for i in [1799,1599,1399,1199,999,799,599,399]:
    if X > i :
        break
    c = c + 1
print(c)    